Dec 23 (Reuters) - Wall Street indexes opened higher on Wednesday as investors shrugged off President Donald Trump’s threat to not sign a $900 billion COVID-19 stimulus package, while weekly jobless claims came in better than feared. The Dow Jones Industrial Average rose 31.22 points, or 0.10%, at the open to 30,046.73. The S&P 500 opened higher by 6.16 points, or 0.17%, at 3,693.42, while the Nasdaq Composite gained 27.02 points, or 0.21%, to 12,834.94 at the opening bell. (Reporting by Devik Jain in Bengaluru; Editing by Sriraj Kalluvila)