'Brace for selling': A Wall Street quant strategist warns that stock-market buying power could evaporate just one week from now — opening the floodgates for a 'sell in May' episode

· Masanari Takada, a macro and quantitative strategist at Nomura, thinks a "sell in May" stock-market unwind is on the horizon as the Nasdaq 100 lingers above a key technical level.
· Takada notes dwindling long positions in Nasdaq 100 futures and lack of risk appetite in global macro funds to bolster his near-term bearish...