The expansion of BrainsWay's Deep TMS technology in South Korea is likely to have a positive short-term impact on the company's stock price. The increase in the installed base suggests a growing acceptance and demand for their technology in the South Korean market, which could lead to higher revenues. As the news directly pertains to BrainsWay's business growth and market expansion, it is highly relevant and important to investors. The confidence in this analysis is strong, given the clear link between expanded availability, increased sales, and potential revenue growth.