Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Alibaba (BABA) upgraded to Overweight from Neutral by Atlantic Equities analyst James Cordwell, who said the company's Q1 report "clearly demonstrated" how Alibaba can leverage its scale to gain e-commerce share. The recent strong execution likely also builds confidence in the company's ability to execute on other long-term opportunities, such as international expansion, omnichannel retail, and the cloud. 2. VMware (VMW) upgraded to Buy from Hold at Deutsche Bank with analyst Karl Keirstead citing growing evidence that large enterprises are embracing a hybrid model, which reduces his view of the risk to VMware from the threat of adoption of the cloud and Amazon Web Services (AMZN). His recent checks indicate that VMware technology is proving more durable than he would have thought 12-18 months ago. 3. Estee Lauder (EL) upgraded to Buy from Hold at Argus with analyst John Staszak telling investors the company continues to benefit from strong demand for high-end beauty products. 4. Tempur Sealy (TPX) upgraded to Buy from Hold at Stifel. Analyst John Baugh said he's surprised how quickly the company has recovered from the loss of its deal with Mattress Firm, as Tempur Sealy's margins are exceeding expectations and its direct business is growing more quickly than expected. 5. 58.com (WUBA) upgraded to Buy from Hold at Deutsche Bank, with analyst Alvin Jiang saying the company's quarterly earnings proved the company's strong execution regardless of macro volatility. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

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