in southern Virginia, North Carolina, South Carolina, Georgia, Alabama, and Florida. Prior to the acquisition, PNC had slipped (due to mergers and growth in other firms) from its ranking following the 2008 National acquisition; this 2012 acquisition made PNC the 5th largest bank by branches behind Wells Fargo, Bank of America, Chase, and U.S. Bancorp and the 6th largest by total assets behind the aforementioned four banks and Citibank. On July 30, 2012, PNC announced plans to put ATMs in 138 Harris Teeter grocery stores in the Carolinas, plus 53 other stores. In September 2014, PNC acquired Solebury Capital Group, a capital markets advisory firm, for $50 million. On October 2, 2015, the bank opened Tower at PNC Plaza, its new headquarters on the corner of Fifth Avenue and Wood Street in Downtown Pittsburgh. It was first announced in 2011. The building, owned by PNC and designed by Gensler, won awards for its environmentally friendly features. In April 2017, the company acquired the U.S. equipment finance business of ECN Capital for $1.3 billion. In November 2017, the company acquired The Trout Group, an investor relations and strategic advisory firm servicing the healthcare industry. In 2018, the company acquired Fortis Advisors, which provides post-merger shareholder services. The company ranked 165th on the 2018 Fortune 500 list of the largest United States corporations by revenue. In 2018, PNC began opening "Solution Centers", a hybrid between traditional bank branches and ATM-only services, mostly serving new markets. Through this method, PNC expanded its retail footprint into Boston, Denver, Kansas City, Nashville, and several markets in Texas including Austin, Dallas, Houston, & San Antonio. Two of PNC's "Big Four" competitors, Bank of America and Chase Bank, have both also been expanding into new markets through this method, including into PNC's home market of Pittsburgh. In August 2019, PNC launched a Fintech incubator subsidiary called "numo" that functions as an internal startup. Its first development included indi, an instant payment and mobile banking company for gig workers. In May 2020, the company sold its stake in BlackRock. On June 1, 2021, PNC acquired BBVA USA for $11.6 billion in cash. The acquisition significantly boosted its presence in Colorado and Texas, complemented its presence in Alabama and Florida, and introduced the bank to the Arizona, California, and New Mexico markets. In 2021, PNC originated nearly 95,000 mortgages worth $34.8 billion. This is a 23% increase vs prior