** Shares of Indian graphite electrode makers extend gains
to second session, among top pct gainers in Nifty 500
.NIFTY500
** Gains after China announced export curbs of "dual-use
items" related to graphite and other superhard materials to U.S.
** HEG HEGL.NS jumps 12%, trading vols 34x 30-day avg in
busiest session since listing in May 1995
** Graphite India GRPH.NS rises ~6%, trading vols 14x
30-day avg in busiest session in nearly three months
** HEGL and GRPH both rated "strong buy" on avg, rose 14%
and 9%, respectively, on Tuesday
** HEGL up ~46% YTD, outperforming ~9% gains in GRPH
(Reporting by Vijay Malkar and Hritam Mukherjee)
((VijayDattaram.Malkar@thomsonreuters.com;))