The success of start-ups is a good way to measure the success of a current economy. But often, smaller companies struggle and must concede to becoming part of larger organizations. Here is the latest news in what start-up world.

Moody's downgraded Sharp from Prime-3 to Not Prime, a move that caused the company's share price to fall 7.2 %. Sharp is facing liquidity challenges and is courting Hon Hai (trading as Foxconn) to invest in the company.

iPhone's use of LTE is expected to lower the price of mobile data, but not immediately.

Selling Yahoo's stake in Alibaba is seen as a brilliant move on the part of Marissa Mayer. The company will supposedly reap the benefits next week as the deal goes through, resulting in billions of dollars for Yahoo to devote elsewhere.

German software company SAP plans to expand in the mobile space with acquisitions and new product offerings to take advantage of the growing number of companies using mobile phones for business.

Infosys, the provider of outsourcing software is pursuing an aggressive acquisition strategy after cutting its full-year revenue forecast in July.

If the iPhone 5 includes LTE (long-term evolutionary technology), Samsung has the patents to sue.

As Apple unveils the iPhone 5 today, carriers in Europe will be compelled to offer it at a discount. Carriers such as Vodafone and Telefonica had moved away from the discount-pricing model, but may feel the pressure to return to avoid missing out on customers.

As speculation rises about an Apple vs. Google lawsuit, tidbits reveal that for Steve Jobs it was a personal issue against those he mentored.