IBM's IBM stock is strutting like it owns the runway. Up 48% in the past year and 13% just this year, the legacy tech giant is flexing serious momentum and the charts are confirming it.Chart created using Benzinga ProTrading at $249.12, IBM stock sits comfortably above its five, 20 and 50-day moving averages, with a bullish MACD (moving average convergence/divergence) and RSI (relative strength index) suggesting there's still gas in the tank. Technical traders call it ‘strongly bullish.’ Bulls call it a “no ...