IBM estimates cut at UBS: UBS cut its 2006 estimates on IBM to $5.75 from $5.80 and 2007 estimates to $6.20 from $6.25. UBS also lowered its price target to $82 from $90. This is due to lower service bookings and hardware trends. Maintains Neutral rating. Morgan Stanley recommended at Goldman: Goldman said it is adding MS to its Americas Conviction Buy list. Believes investors are underestimating the earnings power of Morgan Stanley's franchise following years of lackluster financial performance relative to peers. RF Micro estimates cut at Piper: Piper said it is cutting its 2007 estimates on RFMD by a penny to 442 cents a share to reflect slow Motorola SLVR sell-through. Maintained Outperform rating.