In Wednesday's Analysts' Actions, Twitter and United get upgrades while Michael Kors gets a downgrade. Twitter (TWTR) is now rated a 'Buy' at Bank of America/Merrill Lynch. BofA previously had a 'Neutral' rating for the microblogging site. The price target was also raised to $60 from $40 a share. The firm said 'investor sentiment appears to have reached an inflection point.' United Continental (UAL) was upgraded to 'Overweight' from 'Neutral' at JP Morgan. The firm said the company 'can improve its lagging operating margin by 2015.' JP Morgan also raised its price target from $43.50 to $60.50 a share. Michael Kors (KORS) is downgraded at Baird to a 'Neutral' from 'Outpeform.' The firm says the designer 'is facing increased sales and margin risks in North America.' The price target was also lowered from $114 to $98 a share. TheStreet's Susannah Lee has details from New York.