Tennessee-based Tractor Supply Co. originally sold farming tools by mail, but digital technology has put the expanding 81-year-old company at the forefront of loyalty marketing.

In a long and storied career, Barbara Desoer has helped shape two of the largest banks in the country, Bank of America and Citibank. The most striking detail? Her biggest role came after she "retired."

HSBC's shortlist for its next chief executive includes Stephen Bird, Citigroup's head of global consumer banking, and RSA Insurance Group CEO Stephen Hester, Britain's Sunday Times newspaper reported.

Nearly a third of the women in the annual ranking are new additions, the largest amount in years. Here's an overview of the changes. Plus, Citi's Corbat on its bold gender equity move, and Wells Fargo's less bold CEO decision.

Readers sound off on climate change, the Federal Reserve's incoming real-time payments system, efforts for gender pay equity and more.

Citigroup has set measurable goals for increasing representation of women and U.S. minorities in senior, higher-paying roles and CEO Michael Corbat is urging other financial firms to follow suit.

Andres Wolberg-Stok at Citi and Sam Taussig at Kabbage debate openness, privacy, control, and how much say consumers should have over their banking information.

Only three of the world's 10 biggest banks joined the coalition of 130 global financial firms in agreeing to align their business with international efforts to address climate change and other environmental issues.

The revised trading rule is seen as a credit negative for the banking industry.

Since taking over as leader of Citi FinTech in 2016, Yolande Piazza has worked to boost the number of women who are promoted into leadership roles for her team.