CoinMeta US stock news: According to Bloomberg, the stock price of Nvidia ( NVDA ) rose after the board of directors approved an additional $150 billion in share repurchase plans, bringing the total authorized repurchase amount to $235 billion. Meanwhile, Australian company Northern Star Resources Limited rejected a takeover bid of A$38.7 billion (about $27.1 billion) from its South African competitor Goldfield, stating that the offer undervalued its business value. In addition, the rating of Roblox ( RBLX ) was downgraded to "underperform" by JPMorgan Chase. Analysts said that the stock has risen 30% since the second quarter results in July, reflecting overly optimistic expectations for orders in the next 12 months.