Twitter (TWTR) and Colgate-Palmolive (CL) get upgrades and Las Vegas Sands (LVS) gets a downgrade from UBS. Wells Fargo says Twitter is the best positioned company in their coverage universe to benefit from increased mobile adverting spending and they are upgrading their rating on the shares to MARKET PERFORM from UNDERPERFORM. BMO Capital Markets says Colgate-Palmolive should be a core holding and they recommend buying the stock even as it has hit new highs because visibility into 2016 is improving. BMO is raising its rating on Colgate to OUTPERFORM from MARKETPERFORM. UBS is downgrading shares of Las Vegas Sands to NEUTRAL from BUY because they are seeing a slowdown in VIP visits from Chinese gamers. Ruben Ramirez reports from the NYSE.