$NVDA slashes earnings guidance, stock down -8% pre-market

*NVIDIA SEES 3Q REV. $6.70B, EST. $8.38B

*NVIDIA CITES SHORTFALL PRIMARILY DRIVEN BY WEAKER GAMING REV.

-Nvidia sees Q2 charge of $1.32 bln for inventory and related reserves

-Nvidia sees Q2 gaming revenue $2.04 bln; FactSet consensus $3.04 bln

-Gross margin cut from 65% to 44%