Update README.md

jialuechen · web-flow · commit ca290c12f20d · 2024-08-12T00:45:16.000-04:00
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-PyTCA is a Python package for transaction cost analysis in financial markets, supporting both stock and forex data at the tick level.
+**PyTCA** is a Python package for transaction cost analysis in financial markets, supporting both stock and forex data at the tick level.
 
 ## Features
 
