GMTL ▼ -2.6% - Guardian Metal Resources PLC $GMTL GMET GMTLF - Guardian Metal Resources PLC Announces Positive Tempiute Tungsten Drilling Results Guardian Metal Resources announced positive drilling results from its Tempiute tungsten project, but the stock declined 2.6% today. The market's sell-off despite the favorable exploration news suggests investors may have been disappointed by the scope of the results, timing expectations, or other factors not reflected in the headline alone. 21-SEP-2026 02:00 AM ET