BUZZ-Hikma: brokers raise ratings, PTs
** Jefferies raises recommendation on drugmaker to "hold" from "underperform"
** Despite challenging industry fundamentals persisting into 2018, guidance gives a floor to expectations, says Jefferies
** Citigroup (NYSE: C - news) points to guidance being set conservatively by arrival of new CEO, raises to "buy" rating
** Morgan Stanley (Xetra: 885836 - news) also views 2018 guidance as likely achievable
** Jefferies, Morgan Stanley, HSBC, and JP Morgan among brokers to lift PTs (Other OTC: PTSH - news) on stock