Stocks open lower, pushing the S&P 500 toward a weekly loss

A currency trader passes by screens showing foreign exchange rates at the foreign exchange dealing room of the KEB Hana Bank headquarters in Seoul, South Korea, Friday, June 18, 2021. Asian shares mostly rose Friday, as investors digested the latest message from the U.S. Federal Reserve on raising short-term interest rates by late 2023. (AP Photo/Ahn Young-joon)

A currency trader watches monitors at the foreign exchange dealing room of the KEB Hana Bank headquarters in Seoul, South Korea, Friday, June 18, 2021. Asian shares mostly rose Friday, as investors digested the latest message from the U.S. Federal Reserve on raising short-term interest rates by late 2023. (AP Photo/Ahn Young-joon)

A currency trader passes by screens showing the Korea Composite Stock Price Index (KOSPI), center, and the foreign exchange rate between U.S. dollar and South Korean won, right, at the foreign exchange dealing room of the KEB Hana Bank headquarters in Seoul, South Korea, Friday, June 18, 2021. Asian shares mostly rose Friday, as investors digested the latest message from the U.S. Federal Reserve on raising short-term interest rates by late 2023. (AP Photo/Ahn Young-joon)