** G1 Therapeutics Inc's GTHX.O shares tumble 16%
post-market as co looks to raise equity
** Co commences stock offering; deal size not disclosed
** Cowen and Raymond James jt bookrunners
** GTHX on Thurs closed up 2.3% at $8.55 for ~$370 mln
market cap, per Refinitiv
** On Nov 2, shares plunged 25% to $8.21 after co reported
below-consensus sales for its small-cell lung cancer drug
** Shares have fallen ~50% from 52-week high hit in Sept
(Lance Tupper is a Reuters market analyst. The views expressed
are his own)
((lance.tupper@thomsonreuters.com
lance.tupper@tr.com 1-332-219-1430))