Shares of Intel have rocketed higher following news Nvidia plans to invest $5 billion in the company. (Photo by Justin Sullivan/Getty Images)Getty ImagesKey TakeawaysIntel Soars On$5 Billion Nvidia Investment Driving Market GainsGovernment Spending, Shutdown Risks Highlight Rising Policy Market InfluenceNasdaq, S&P, Dow, Russell Post Strong Quarterly Highs TogetherStocks closed higher on Thursday with all four major averages hitting new highs. The Nasdaq made its 27th new high of the year, closing 0.9% hig ...