The New York equities markets were mixed but generally lower on Thursday on light trade volumes and concerns about crude oil prices as one analyst said that since September 11, 2001, investors have had one thing after another to worry about.

At the close of the trading day, the Dow Jones Industrial Average was very close to its Wednesday close at 10,552.46, while the Nasdaq composite lost 0.4 percent to 2,135.99 and the S&P 500 settled down by 0.1 percent to 1,218.72.

One of the biggest gainers on the day was Six Flags, the amusement park operator, which gained 18 percent to $6.48 when it’s largest investor announced that he wanted to triple his amount of shares in the company.

While Google announced that it will issue 14.2 million shares of its class A stock for sale, said to be worth around $4 billion, the internet search company’s shares were down 1.8 percent on the day to $279.99.

In the retail clothing sector, meanwhile, J. Crew announced that it will launch an initial public offering to raise $200 million. Elsewhere in the sector, Gap released its quarterly earnings report. In response, its shares lost 1.6 percent to $20.15.

Hot Topic, which sells teenage clothing, cut its forecasts for the third and fourth quarters after falling short of expectations in the second quarter. It lost 10.6 percent on the day to close at $14.14.