Every Wall St Trend Goes Haywire as Stock Bears Crushed…

(Bloomberg) — Stock bears are suddenly getting crushed. Once-dependable momentum trades are misfiring. Inflation-lashed bonds are bouncing back.Most Read from BloombergAfter another expectations-busting week on Wall Street, sharp market reversals are baffling real-money veterans, retail speculators and quants alike.Big data surprises, including a blockbuster jobs report and a softer-than-expected July consumer price reading, have caught a heavily hedged investor base off guard, as the S&P 500 Index enjoys a nearly 17% rally from the June bear-market low.Economic angst and speculation that price pressures are peaking have helped global bonds climb almost 4% from their mid-June nadir, while once-hot stock shorts are backfiring.Put another way, every investing trend that defined the wild first-half is staging a messy reversal in the latest twist of this exhausting year.With Federal Reserve officials continuing to issue hawkish missives, playing it dumb — by sitting in cash or long-dollar positions — may look like a smart move for now.“It’s been a volatile year for s …