The richest 20% are the only ones powering the U.S. economy, says top economist, but their prospects are entirely reliant on teetering stock prices

"Given how important the well-to-do are to spending and the economy, and the importance of surging stock prices to the well-to-do, it is critical to consider the durability of the runup in stock prices." This story was reported by Fortune. For more Finance news in Kenya, stay tuned to Masaa.