European stocks languish near year's low; Glencore halts slide
* FTSEurofirst 300 down 0.3 percent, off lows
* Glencore claws back some ground from Monday's sell-off
* European biotech stocks hit by drop in U.S. counterparts
* Wolseley slumps after cutting outlook (Updates with fresh prices and quote)
By Alistair Smout and Sudip Kar-Gupta
LONDON, Sept 29 (Reuters) - European shares partially recovered from an early drop on Tuesday, supported after battered miner Glencore halted a slide in its share price, although top indexes lingered near their lows for 2015.
The pan-European FTSEurofirst 300 index had dropped 0.3 percent by 1420 GMT on Tuesday, having been down as much as 1.7 percent in early deals.
The index fell more than 2 percent on Monday, and Tuesday morning's early retreat took it just 0.8 percent away from its low for 2015, set in August.
Glencore surged 17.5 percent, having dropped 30 percent in the previous session to an all-time low, extending earlier gains after the mining and trading company declared its business remained "operationally and financially robust". Continuación...