"Weakness continues to develop in commercial real estate office," Wells Fargo Chief Executive Charlie Scharf said on a call with analysts. Stress in the commercial real estate sector could have broad implications for banks and the economy, as losses emanating there can tighten credit availability and exacerbate a downturn. More than $1.4 trillion in U.S. CRE loans will mature by 2027, with some $270 billion coming due this year, according to real estate data provider Trepp. As the epicenter for the technology industry downturn, California's CRE market has been hit hard. Citigroup and Wells Fargo declined to comment for this article.

---