Castlight Health looks to raise about $111 million in its IPO, according to an updated SEC filing. The company is offering 11.1 million shares in the IPO and its underwriters have the option to purchase an additional 1.65 million shares. The stock will be listed on the New York Stock Exchange under the symbol "CSLT". While Castlight recorded revenues of $1.9 million, $4.2 million and $13.0...