Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. AutoNation (AN) upgraded to Neutral from Sell at Goldman with analyst David Tamberrino saying valuation has bottomed and could be flat to slightly up in the near-term as SAAR bounces around the low-to-mid 17M range. 2. Trina Solar (TSL), Yingli Green Energy (YGE), and JA Solar (JASO) were upgraded to Buy from Sell at Axiom while the firm upgraded SolarCity (SCTY) to Hold from Sell. 3. PNC Financial (PNC) upgraded to Market Perform from Underperform at Raymond James with analyst David Long saying negative earnings revisions over the past two years have likely hit an inflection point. 4. Big 5 Sporting (BGFV) upgraded to Buy from Hold at Deutsche Bank with analyst Mike Baker citing accelerating sales trends and higher earnings power from profitability improvements. 5. Booz Allen (BAH) upgraded to Outperform from Market Perform at Raymond James with analyst Brian Gesuale saying the recent selloff creates an attractive entry point. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

Guggenheim analyst Ronald Jewsikow raised the firm's price target on AutoNation to $169 from $165 and keeps a Buy rating on the shares. The firm updated estimates for its auto supplier and auto dealer coverage ahead of Q1 results from the group.