Profit emerges as a pivotal informational cornerstone captivating investor attention, adeptly revealing the intricate dynamics of a company's stock valuation. Through PBV, researchers can discern stock valuation via a rational and concise approach. The research aims to explore the correlation between profitability and stock price within telecommunication enterprises registered at BEI during the 2020-2022 period. Employing purposive sampling, the study selected 16 companies as analytical units. The research methodology implements a descriptive-verifiable approach, leveraging secondary data sourced from BEI. Statistical analysis proceeded through linear regression to uncover inter-variable relational patterns. Research findings demonstrate that profitability contributes significantly to stock price fluctuations, with a 20.6% influence at a moderate correlation level.

In learning activities, there are many methods that teachers can use in teaching, one of which is the varied lecture method. However, this varied lecture method is often considered boring by students. History teachers are one of the teachers who often use the lecture method, whether it's varied lectures or regular lectures. This is one of the reasons students think history is boring. When students feel bored while studying, the learning outcomes obtained by students will decrease. In this case the author aims to see whether varied lecture methods are still effective for use in learning so that they can improve student learning outcomes. The method in this research is a quantitative method using an approach in the form of direct observation. The population of this study was Class 11 of SMA Negeri 1 Sungai Pinang with the sample taken being Class 11 IPS2, totaling 20 people. The research results obtained were that student learning outcomes increased by 36.5% with pre-test results of 31.5% and post-test results of 68%. This means that varied lecture methods are still effective for use in the learning process because they are able to improve student learning outcomes.