U.S. stock indices began a week of growth. As a result Monday Dow Jones grew by 1.18%, S&P 500 - by 1.27%, NASDAQ - by 1.87%. Positive dynamics was due to the growth of papers of the technological sector leaders. In particular, Tesla shares soared by 12.58% after September landslide. However, they have not yet reached the mark preceding the fall - $438.32. Oracle papers rose in price by 4.32% on the news of possible acquisition of the TikTok application. Company shares NVIDIA added 5.82% after announcing its plans to buy ARM Holdings (manufacturer of mobile processors). At the moment holding company belongs to Japanese SoftBank, estimated size the deal will amount to $40 billion. An additional growth driver was the news about the renewal of the transaction coronavirus vaccine trials. They were suspended earlier by AstraZeneca due to the health condition of one of the following companies employees who participated in the project.