3. Sell Financial StocksThis looks like a major freight train barreling down the track at 60 mph. Just look at the chart for ProShares Ultra Financial ( UYG) from March into May: a three-bagger in two months. However, note the broken uptrend lines in May for (from the top) relative strength, price and MACD. These breaks of trend lines can sometimes be good alerts for possible trend reversals.