海外投資是企業常用來增加銷售或者追得成長的手段之一，在證券業，面臨國內市場規模有限，市況不振的情況下，海外投資也成了另一個值得評估的市場。海外投資案能否付諸執行，應先從動機來探討，而動機之興起則與公司的策略有關。動機產生之後，接著面臨的就是進入模式的選擇，包括投資地點以及投資金額等因素均需要一併考量，因為不同的進入模式將會對公司的營運狀況產生深遠影響。
本研究選定個別公司為研究對象，透過個案訪談，及筆者親身實際的執行經驗，探討個案公司增加海外投資時的動機、策略想法以及進入模式的選擇，並從執行過程中分析個案公司在策略執行過程所面臨的問題以及挑戰，最終檢視個案公司投資後之效益。
經由個案訪談與相關文獻及資料之蒐集與分析後，對個案公司此次海外投資的動機，本研究主要獲致以下四項結論：
一、屬於積極的擴張，並由子公司由下而上的推動，而非消極的防禦；
二、尋求區位優勢，發揮聚集經濟利益；
三、是市場導向的，緊跟著現有及潛在客戶的腳步前進；
四、是戰略導向的，以成為華人世界的領導券商為願景。
個案公司此次進入模式的選擇，是採用獨資的、是新設的，其原由經本研究分析及彙整後獲致以下三項結論：
一、複製過去的經驗；
二、風險趨避程度高，專注於成本控制；
三、投資金額不大，藉由金控資源共享而發揮綜效。

Foreign Investment is one method corporate introduces to boost sales or pursue growth. While the securities industry faces limited domestic market scale and poor market conditions, it adopts foreign investment as a worthy alternative. Motivation, for which the existence mostly relates to the corporate strategy, appears to be the first consideration when a corporate evaluates the effectiveness of adopting the foreign investment. Once the motive is created, the “Entry Mode” immediately should be take into consideration, which includes the locations and the amount of investable capital. For different “Entry Modes” generate distinct results for the corporate operations.
This research chooses one individual company as a case study target, via interviews and author’s practical experience, to discuss its tendency towards increasing foreign investment, strategic planning and entry mode selections. Afterwards, the research analyzes the challenges and problems, which the company confronted when executing the strategy. Last but not least, this research surveys the outcomes of the foreign investment adopted by the individual company.
After thoroughly data collections and analyzations via case interviews and literature study, this research introduces four conclusions of the motivations in the foreign investment:
1.Aggressive expansion: bottom-up engagements introduces first by the subsidiaries, instead of passive defense.
2.Location advantage: the effectiveness of cluster economy
3.Market Driven: satisfy existing and potential clients
4.Strategic Driven: the vision of developing into the leading securities firm in the Chinese community.
The entry mode of the sample company is wholly owned and greenfield. This research concludes three probable reasons as following:
1.Replicating past experience.
2.High risk-aversion and focus on cost management.
3.Limited capital injection but gains synergy and benefits of resources sharing within the holding company and its subsidiaries and affiliated companies.

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網路資料
1.上海券交易所，http://www.sse.com.cn。
2.中國證監會，http://www.csrc.gov.cn。
3.公開資訊觀測站， http://mops.tse.com.tw。
4.台灣證券交易所，http://www.tse.com.tw。
5.金管會，http://www.fscey.gov.tw。
6.香港交易所，http://www.hkex.com.hk。
7.香港證監會，http://www.sfc.hk。
8.深圳證券交易所，http://www.szse.cn。