Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. General Electric (GE) downgraded to Sell from Hold at DZ Bank. 2. Valeritas (VLRX) downgraded to Market Perform from Outperform at Cowen. 3. Tallgrass Energy Partners (TEP) downgraded to Hold from Buy at Stifel with analyst Selman Akyol saying the agreement for Tallgrass Energy GP (TEGP) to buy Tallgrass Energy Partners in a unit-for-share exchange was mostly as expected. 4. Northern Star (NESRF) downgraded to Market Perform from Outperform at BMO Capital. 5. Japan Airlines (JAPSY) downgraded to Hold from Buy at Deutsche Bank. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

Citi raised the firm's price target on GE Aerospace to $186 from $120.43 and keeps a Buy rating on the shares. The company's' Q1 was better than expected and it modestly increased its full-year EBIT outlook, the analyst tells investors in a research note. The firm says commercial aftermarket demand remains robust.

BofA analyst Ronald Epstein raised the firm's price target on GE Aerospace to $180 from $165 and keeps a Buy rating on the shares. GE boasts a unique portfolio with exposure across aircraft manufacturers, aircraft classes, legacy/new/nextgen platforms, and aftermarket/OE customers, says the firm, which believes GE is "strongly positioned to benefit from secular commercial aero growth."