The partial government shutdown is of continuing concern to Wall Street. That's driven stocks down across the board. The Dow Jones industrial average dropped 137 points, or 0.9 percent, to close at 14,996, its biggest decline in two weeks. The S&P 500 index dropped 15 points, also 0.9 percent, to 1,678. The Nasdaq composite fell 41 points, or 1.1 percent, to 3,774.
- The partial government shutdown is continuing and the gridlock in Washington is helping to drive down the price of oil. Benchmark crude for November delivery fell 79 cents to close at $103.31 a barrel in New York. There are concerns that a prolonged halt to government activities could reduce demand for energy and hurt confidence in the economy.
- Billionaire Warren Buffett says he's confident the federal budget dispute will eventually be resolved. He tells CNBC he expects the nation's leaders to "go right up to the point of extreme idiocy" but won't cross that point. Buffett also says the U.S. won't be crippled if the debate stretches just past the Oct. 17 deadline for Congress to renew the government's authority to borrow money.
- Twitter has unsealed the documents for its planned initial public offering of stock and says it hopes to raise up to $1 billion. The company is also disclosing that it generated $317 million in revenue in 2012 and that it has more than 215 million active users. That compares with Facebook's nearly 1.2 billion and LinkedIn's 240 million.
- Apple's plans for a massive new campus in Silicon Valley are moving forward. The San Jose Mercury News reports the planning commission in Cupertino endorsed the project this week. Plans call for nearly 3.5 million square feet of new office space, a 1,000-seat auditorium and a fitness center on the 176-acre campus. Apple says it expects to increase its area workforce by nearly 50 percent in the next three years.