What happened Shares of Sogou (NYSE: SOGO) climbed 12.5% in September, according to data from S&P Global Market Intelligence. The search company's stock got a boost from overall market momentum, but it appears that its parent company Sohu.com's offer to acquire video game developer Changyou.com was a bigger catalyst for the gains in the month. CQQQ data by YCharts. Like Changyou, Sogou was spun off from Chinese online media company Sohu.com. The search engine spinoff's stock rose roughly 9% in the day of trading after Sohu revealed its offer to acquire and reintegrate Changyou in a $500 million deal. Image source: Getty Images. So what Sohu's press release detailing its plans to reintegrate Changyou made no mention of plans for Sogou, but the market may have either reacted favorably to the deal improving Sohu's overall competitive outlook or interpreted it as a sign that Sogou could also be bought out and folded back into the parent company. Though Changyou has yet to accept Sohu's offer, the market appears to anticipate that the deal will go through. The game company's stock has continued to go up toward the $10-per-share buyout price stipulated in Sohu's proposal -- and Sogou's stock has seen corresponding movement. Now what Sogou stock has continued to go higher in October, and is up roughly 4% in the month's trading so far and outperforming the broader Chinese tech sector. CQQQ data by YCharts. The company is expected to report third-quarter earnings results in November and is guiding for revenue between $304 million and $314 million, representing year-over-year growth at the midpoint of the target. Shares are trading at about 30 times the company's earnings over the trailing-12-month period. 10 stocks we like better than Sogou Inc.When investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has quadrupled the market.* David and Tom just revealed what they believe are the ten best stocks for investors to buy right now... and Sogou Inc. wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of June 1, 2019 Keith Noonan owns shares of Changyou.com. The Motley Fool recommends Sohu.com. The Motley Fool has a disclosure policy.Source