Notable analyst calls this week: Broadcom, Moderna and Abbott among top picks

The S&P 500 (SP500 [https://seekingalpha.com/symbol/SP500#hasComeFromMpArticle=false#source=section%3Amain_content%7Cbutton%3Abody_link%7Cfirst_level_url%3Anews]) closed in the red on Friday, after investors digested corporate results from big companies including Alphabet and Microsoft during the week. Wall Street analysts issued fresh round of upgrades and downgrades. Here are some of the major calls for the week: BROADCOM GETS BULLISH RATING FROM D.A. DAVIDSON D.A. Davidson upgraded [https://seekingalpha.com/news/4657822-broadcom-rises-on-back-of-da-davidson-upgrade] Broadcom (AVGO [https://seekingalpha.com/symbol/AVGO]) to Buy from Neutral and upped its price target on the stock to $400 from $350.