Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Square (SQ) upgraded to Buy from Hold at Stifel with analyst Scott Devitt saying he now feels more confident in the company's growth and profitability outlook and its competitive position following three quarters of consistent execution. 2. BHP Billiton (BHP) upgraded to Buy from Hold at Jefferies with analyst Christopher LaFemina saying he believes fundamentals have "clearly improved," citing supply that has declined in most cases and demand that has stabilized. 3. SoftBank (SFTBF) upgraded to Overweight from Neutral at JPMorgan with analyst Jun Tanabe citing improved earnings at Sprint (S), the growth in value of its stake in Alibaba (BABA), and the stability of cash flow in its domestic mobile business. 4. Allscripts (MDRX) upgraded to Outperform from Market Perform at Leerink with analyst David Larsen saying he believes that the company's core fundamentals are improving "significantly." 5. Westlake Chemical (WLK) upgraded to Outperform from Sector Perform at RBC Capital with analyst Arun Viswanathan saying that the company's merger with Axiall (AXLL) "creates a new way to play chlor-alkali," as well as synergies. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

BHP Group (BHP) is weighing a possible acquisition of Anglo American (NGLOY), Bloomberg's Crystal Tse, Dinesh Nair, and Thomas Biesheuvel report, citing people with knowledge of the matter. The company has recently been evaluating the possibility of an offer for Anglo American, the authors note. Reference Link