As you can see from the chart, the 47.50ish level seems to be a good source of demand, at least in the past and looks like a good entry level for a long, stopping out somewhere below. Leave some wiggle room to account for .
Be aware, they announce before the bell on 10/27 CST.
Looks like the big slide in the stock was sparked by a failed drug trial: http://www.nasdaq.com/symbol/wfc.prj/dividend-history
Bristol Myers sports a div yield of 3.04%: https://www.google.com/finance?q=bmy&ei=tDAGWImkAY2amAHBwZUg
Div history: http://www.nasdaq.com/symbol/bmy/dividend-history
As always, know why you are buying something.
Think for yourself.