Associated Press: Wind and solar companies could be poised for a big day on Wall Street Wednesday after the Senate passed a bill that provides more than $17 billion in renewable energy tax incentives. The energy legislation extends for eight years, through 2016, investment tax credits for the solar power industry. Jefferies & Co. analyst Paul Clegg said the long-term commitment could help the U.S. become a significant solar photovoltaic market force. Clegg said in a client note that …