The receipt of a notice from Nasdaq for not filing the required Form 10-K puts Broadway Financial under scrutiny and raises concerns about its compliance with exchange regulations. This situation can lead to negative investor sentiment due to the potential risks of delisting and the implications it has for the company's future. Such regulatory issues are typically viewed unfavorably by the market, leading to a decrease in stock price as investors may sell off shares to avoid potential losses associated with non-compliance and the uncertainty it brings.