* Investors expecting improvement in corporate revenues * Firms need $5 trln a year to meet market hopes: Accenture * Mismatch between macro and micro-level growth forecasts * Little appetite for M&A but smarter technology in focus DAVOS, Switzerland, Jan 23 (Reuters) - Business leaders in Davos have plenty to worry about, from the euro zone to global geopolitical upheavals, but at heart their problem is simple: how to find new revenue in a low-growth world. Half a decade on from the financial crisis, investors want to see earnings driven by more than just cost cutting. Their focus now ... Read More