📊 週次IRサマリー|Japan Stocks
Period: Oct 05–Oct 09, 2026 / Notable IRs this week: 153
📈 Major Indices This Week
| Index | Close | Weekly Change |
|---|---|---|
| Nikkei 225 | 69,042 | ▼ 1.29% |
| Dow Jones | 51,654.95 | ▲ 0.75% |
| NASDAQ | 27,366.17 | ▼ 0.40% |
| S&P 500 | 7,811.54 | ▲ 0.48% |
📊 Notable Movers This Week
| Company | Price | Change |
|---|---|---|
| シリコンスタジオ(3907) | 1545.0 | ▼ 11.21% |
| マルマエ(6264) | 2243.0 | ▲ 7.63% |
| リベルタ(4935) | 240.0 | ▲ 7.62% |
| ヴィッツ(4440) | 2551.0 | ▲ 6.74% |
| G-BASE(4477) | 378.0 | ▼ 6.44% |
🏆 Notable IRs This Week
Liberta (4935): The announcement of a change in transfer price for a subsidiary acquisition was positively received by the market, leading to a significant stock price fluctuation.
Marumae (6264): An upward revision in the dividend forecast was announced, and the company’s commitment to shareholder returns was appreciated, resulting in a substantial increase in its stock price.
Vitz (4440): Strong financial results were released, and expectations for the company’s performance led to a significant rise in its stock price.
📌 Notable Themes This Week
Increased M&A and Subsidiary Acquisition Activities: Several companies announced stock acquisitions and subsidiary formations, indicating active movements towards business expansion and synergy creation.
Enhanced Shareholder Return Measures: IR announcements reflecting a focus on returning profits to shareholders, such as dividend increases following earnings revisions and changes to shareholder benefit programs, were observed.
Concentrated Earnings Announcements in Retail and Service Sectors: Quarterly earnings reports from sectors sensitive to personal consumption, including fashion, drugstores, and restaurants, were frequently released.
🤖 AI Weekly Perspective
This week’s IR releases in the Tokyo stock market highlighted active business restructuring through M&A and subsidiary acquisitions. Notably, changes in transfer prices and new subsidiary formations had a significant impact on stock prices in some cases. Furthermore, strong earnings announcements and dividend increases, which are shareholder return measures, were well-received, leading to stock price gains for specific companies. Conversely, downward revisions to earnings forecasts or certain earnings results also had negative impacts on stock prices, suggesting that individual company performance remains a primary concern for the market.
📋 Notable IRs List
- 2026-10-05 リベルタ(4935)+7.62%
- 2026-10-05 あみやき(2753)-1.15%
- 2026-10-05 G-BASE(4477)+0.00%
- 2026-10-05 G-ジャパンM&A(9236)+0.07%
- 2026-10-05 R-ビルF(8951)-1.44%
- 2026-10-05 カネコ種苗(1376)-1.11%
- 2026-10-05 きょくと(2300)+1.59%
- 2026-10-05 トーセイ(8923)-0.17%
- 2026-10-05 塩野義薬(4507)-0.54%
- 2026-10-05 カルラ(2789)-2.26%
- 2026-10-05 クリエイトSDH(3148)+0.93%
- 2026-10-05 ネクステージ(3186)+0.99%
- 2026-10-05 バイク王(3377)+2.44%
- 2026-10-05 霞ヶ関キャピタル(3498)+0.27%
- 2026-10-05 ワールド(3612)-0.98%
- 2026-10-05 不二越(6474)+3.20%
- 2026-10-05 壱番屋(7630)+0.46%
- 2026-10-05 薬王堂HD(7679)-1.58%
- 2026-10-05 P-五健堂HD(9146)+0.00%
- 2026-10-05 G-ビズメイツ(9345)-0.86%
- 2026-10-05 G-ジャパニアス(9558)-0.40%
- 2026-10-05 きんえい(9636)+0.00%
- 2026-10-05 ダイセキ(9793)-0.14%
- 2026-10-05 中央倉庫(9319)+0.47%
- 2026-10-05 ips(4390)+0.38%
- 2026-10-06 オータケ(7434)+0.06%
- 2026-10-06 三陽商(8011)+3.62%
- 2026-10-06 サンエー(2659)-0.78%
- 2026-10-06 サカタのタネ(1377)+0.35%
- 2026-10-06 パルグループHD(2726)-0.85%
- 2026-10-06 ヨシムラ・F・HD(2884)+1.03%
- 2026-10-06 フェリシモ(3396)+0.00%
- 2026-10-06 G-note(5243)-0.26%
- 2026-10-06 中北製作所(6496)+0.86%
- 2026-10-06 放電精密(6469)+5.83%
- 2026-10-06 トーシンHD(9444)+0.00%
- 2026-10-06 サーラ(2734)-0.26%
- 2026-10-06 G-BASE(4477)-6.44%
- 2026-10-06 ファーマフーズ(2929)-0.73%
- 2026-10-06 霞ヶ関キャピタル(3498)-4.45%
- 2026-10-06 G-CRAVIA(6573)+0.00%
- 2026-10-07 日特建(1929)-0.17%
- 2026-10-07 G-日本ナレッジ(5252)-0.40%
- 2026-10-07 三協フロンテ(9639)+3.35%
- 2026-10-07 G-リベラウェア(218A)-0.57%
- 2026-10-07 ABCマート(2670)-0.65%
- 2026-10-07 わらべや(2918)-1.17%
- 2026-10-07 ツルハHD(3391)-1.86%
- 2026-10-07 G-ファルコム(3723)+0.54%
- 2026-10-07 G-ココナラ(4176)-2.16%
- 2026-10-07 G-TrueData(4416)+1.77%
- 2026-10-07 三協立山(5932)-1.10%
- 2026-10-07 ミトラG(6093)-2.47%
- 2026-10-07 G-NPC(6255)-2.20%
- 2026-10-07 ミナトHD(6862)-0.38%
- 2026-10-07 P-グラントマト(7137)+0.00%
- 2026-10-07 タカキュー(8166)+0.00%
- 2026-10-07 天満屋ス(9846)+0.00%
- 2026-10-07 サイプレスHD(428A)+0.35%
- 2026-10-07 CKD(6407)-1.50%
- 2026-10-08 P-デジタルベリー(645A)+0.00%
- 2026-10-08 GX超長期米国債H(179A)+0.13%
- 2026-10-08 GXステコ&トークン(512A)-1.54%
- 2026-10-08 ライフコーポ(8194)-0.27%
- 2026-10-08 ドーン(2303)+0.00%
- 2026-10-08 サンケイ化(4995)+0.00%
- 2026-10-08 丸建リース(9763)-2.42%
- 2026-10-08 MrMaxHD(8203)-0.70%
- 2026-10-08 ファーストリテ(9983)+0.39%
- 2026-10-08 アルバイトタイ(2341)-6.11%
- 2026-10-08 KG情報(2408)+0.72%
- 2026-10-08 キユーピー(2809)+0.07%
- 2026-10-08 オーミケンシ(3111)-1.73%
- 2026-10-08 G-ブッキングR(324A)-0.43%
- 2026-10-08 7&iHD(3382)+1.02%
- 2026-10-08 Q-メディア5(3824)+0.00%
- 2026-10-08 川口化(4361)+0.77%
- 2026-10-08 トーセ(4728)+0.46%
- 2026-10-08 C&R社(4763)-0.99%
- 2026-10-08 WNIウェザー(4825)-0.66%
- 2026-10-08 ローツェ(6323)-1.03%
- 2026-10-08 池上通(6771)+2.21%
- 2026-10-08 小津産業(7487)+0.64%
- 2026-10-08 コジマ(7513)-2.08%
- 2026-10-08 スギHD(7649)+0.93%
- 2026-10-08 トランザクション(7818)-1.42%
- 2026-10-08 オンワードHD(8016)-0.57%
- 2026-10-08 日本BS放送(9414)-1.27%
- 2026-10-08 ニューグランド(9720)+0.00%
- 2026-10-08 カンセキ(9903)-3.55%
- 2026-10-08 シリコンスタジオ(3907)+1.81%
- 2026-10-08 三ッ星(5820)-4.33%
- 2026-10-08 日本創発G(7814)+0.32%
- 2026-10-08 オオバ(9765)-1.37%
- 2026-10-08 吉野家HD(9861)+0.51%
- 2026-10-08 小津産業(7487)+0.64%
- 2026-10-08 P-グラントマト(7137)+0.00%
- 2026-10-08 コジマ(7513)-2.08%
- 2026-10-08 C&R社(4763)-0.99%
- 2026-10-09 G-NPC(6255)+2.11%
- 2026-10-09 ビックカメラ(3048)+2.82%
- 2026-10-09 ヴィッツ(4440)+6.74%
- 2026-10-09 エーアイテイー(9381)+2.82%
- 2026-10-09 イリソ電子工業(6908)+1.70%
- 2026-10-09 タカラスタン(7981)+0.74%
- 2026-10-09 ジュンテンド(9835)-0.59%
- 2026-10-09 ヤマトインター(8127)-1.20%
- 2026-10-09 丸八倉(9313)+3.55%
- 2026-10-09 ベルク(9974)+0.93%
- 2026-10-09 タキヒヨー(9982)-0.65%
- 2026-10-09 暁飯島(1997)+0.23%
- 2026-10-09 北雄ラッキー(2747)-0.47%
- 2026-10-09 ニッケ(3201)+1.75%
- 2026-10-09 シグマ光機(7713)+3.08%
- 2026-10-09 G-Cocolive(137A)-5.27%
- 2026-10-09 コシダカHD(2157)-1.42%
- 2026-10-09 カネ美食品(2669)+0.51%
- 2026-10-09 CVSベイ(2687)+0.21%
- 2026-10-09 キャンドゥ(2698)-0.16%
- 2026-10-09 IKホールディングス(2722)+0.00%
- 2026-10-09 A-RIZAP G(2928)+0.00%
- 2026-10-09 白鳩(3192)+0.00%
- 2026-10-09 テクミラ(3627)-1.12%
- 2026-10-09 G-メディア(3815)-0.23%
- 2026-10-09 サインポスト(3996)+3.30%
- 2026-10-09 大有機化(4187)+3.56%
- 2026-10-09 Sansan(4443)+4.03%
- 2026-10-09 アルファ(4760)-2.15%
- 2026-10-09 北興化(4992)+0.83%
- 2026-10-09 トーヨーアサノ(5271)+1.10%
- 2026-10-09 OSG(6136)-0.27%
- 2026-10-09 マルマエ(6264)+7.63%
- 2026-10-09 技研製作所(6289)+0.62%
- 2026-10-09 アドテック プラズマ(6668)+5.69%
- 2026-10-09 古野電気(6814)-0.75%
- 2026-10-09 G-サイバー・バズ(7069)-0.41%
- 2026-10-09 G-Enjin(7370)+1.27%
- 2026-10-09 ティムコ(7501)-0.21%
- 2026-10-09 エコーTD(7427)-0.36%
- 2026-10-09 テンポスHD(2751)+0.28%
- 2026-10-09 G-jGroup(3063)+0.99%
- 2026-10-09 G-スタジオアタオ(3550)+0.00%
- 2026-10-09 G-グローバルウェイ(3936)+1.60%
- 2026-10-09 クラスターT(4240)+0.33%
- 2026-10-09 ASAHI EITO(5341)-1.60%
- 2026-10-09 安川電(6506)-0.13%
- 2026-10-09 G-バリュエンスHD(9270)+0.60%
- 2026-10-09 ワッツ(2735)-0.56%
- 2026-10-09 アルテック(9972)-4.24%
- 2026-10-09 アドヴァングループ(7463)-0.33%
- 2026-10-09 ファーストブラザーズ(3454)-0.24%
- 2026-10-09 シリコンスタジオ(3907)-11.21%
- 2026-10-09 G-INTLOOP(9556)-2.62%
Disclaimer: This article is for informational purposes only and does not constitute investment advice.

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