NICKEL

(Bloomberg) -- Peter Lynch is still searching for bargains on Wall Street at age 78, even if it involves a penny stock.Most Read from BloombergStocks Suffer Steepest Rout in Almost Two Years: Markets WrapWalmart Flashes a Warning Sign to the Entire Consumer EconomyTarget and Walmart’s Deep Pain Could Be Your GainPlotkin Shuts Melvin Hedge Fund Left Reeling by Redditor AttackOz, McCormick Locked in Too-Close-to-Call Pennsylvania RaceThe former Fidelity Magellan fund manager acquired a 5.2% stake

The London Metal Exchange’s demand for details of private deals between its members and their clients marks a line in the sand by chief Matthew Chamberlain.