BUZZ-Scottish Mortgage: slumps as tech selloff bites
** Investment trust Scottish Mortgage falls 5.2 pct, its single worst day of performance since February 2016
** Managers James Anderson and Tom Slater bullish on U.S. and Chinese tech; top holdings include Amazon and Tesla
** Trust share price hits its lowest level since October after hitting an all-time high in late-Jan
** On the FTSE 250 Polar Cap Technology, Woodford Patient Capital and Fidelity China among top fallers