Existing home sales for January reported on Monday slumped to the lowest level in nine months amid a shortage of properties in the market.
On Tuesday, the S&P/Case-Shiller composite index of home prices in 20 cities increased by a greater-than-expected 4.5 percent in December from the same period last year.
Investors will also watch oil inventories at 10:30 a.m. ET from the U.S. Energy Information Administration for signals on supply build-up.
Major earnings on Wednesday include, Lowe's, Campbell Soup, Dollar Tree, Target and TJMaxx owner TJX Cos before market open.
Lowe's posted quarterly earnings and revenue that topped Wall Street expectations Wednesday, sending shares higher in premarket trading.
The company posted earnings of 46 cents a share on revenue of $12.54 billion.
Avago Technologies, Victoria's Secret and Bath & Body Works owner L Brands, Salesforce.com and Workday are all due after the bell.
European equities were lower on Wednesday as investors focused on a slew of corporate earnings and a second day of testimony by Yellen.
U.S. stocks climbed to new records amid Yellen's remarks to the Senate Banking, Housing and Urban Affairs Committee on Tuesday
CNBC's Evelyn Cheng contributed to this report