Short

I don't have one actually written out, but you could look for

1 long term MA is falling (MA less than MA some days/weeks ago)

2 close is less than long term MA

3 Fast Stoch %K(21,1) x 80

That's the set up - an up leg in a down trend. The entry might be right there, or you might have to wait for it to break down. Naturally, it won't always work. Also, your exposure in case of a buyout is theoretically unlimited in case of a buyout - or rumor of a buyout.