The report that the US government could use a key committee to review the takeover on national security grounds was severely negative for Twitter shares.
Twitter shares jumped on the news, surging as much as 22 percent to close at $52.The shares in Tesla, Musk's flagship company also rose by 2.4 percent.
The operating profit predictions of Samsung and SK hynix represent 18.6 per cent and 37.8 per cent drops from their respective third-quarter results from a year ago.