at 10:00 a.m. ET.
She was scheduled to testify on the economy at the hearing, but is now expected to be asked about President-elect Donald Trump's plans to cut taxes and launch a hefty infrastructure spending program. The Fed itself is also likely to be a topic of discussion.
On the data front Thursday will see initial claims, CPI, housing starts and the Philly Fed survey all released at 8:30 a.m. ET.
On the earnings front Wal-Mart, Best Buy, Staples and Manchester United are set to report before the bell. Applied Materials, Gap, Intuit and Williams-Sonoma are among companies due to report after the bell.
In Europe, the pan-European Stoxx-600 index was flat on Thursday morning. In Asia, the Shanghai Composite in China closed 0.11 percent higher, while the Nikkei in Japan closed unchanged.
CNBC's Patti Domm contributed to this report