update readme

README.md

@@ -107,6 +107,22 @@ This section of documentation provides information on querying data sets using [
      | name                  | VARCHAR     | Company Simple Name              |
      | fiscal_quarter_ending | VARCHAR     | Fiscal quarter end date          |
 
+6. **stock_historical_eps**
+   - **Source:** (`https://finance.yahoo.com/quote/${symbol}/analysis/#Earnings History`)  
+   - **Description:**  Contains details of companies' earnings performance, including their ticker symbols, actual and estimated EPS, surprise percentages, and corresponding fiscal quarters.
+
+   - **Columns:**  
+     | Column Name       | Column Type | Description                          |  
+     |-------------------|-------------|--------------------------------------|  
+     | symbol            | VARCHAR     | Stock ticker symbol                  |  
+     | eps_actual        | VARCHAR     | Actual earnings per share (EPS)      |  
+     | eps_estimate      | VARCHAR     | Estimated earnings per share (EPS)   |  
+     | surprise_percent  | VARCHAR     | Percentage difference from estimate  |  
+     | quarter_name      | VARCHAR     | Fiscal quarter name (e.g., 3Q2023)   |  
+     | quarter_date      | VARCHAR     | Fiscal quarter end date              |  
+
+ 
+
 
 #### Querying Datasets
 
@@ -147,6 +163,13 @@ Use the following SQL queries in [DuckDB](https://shell.duckdb.org/) to retrieve
    WHERE symbol='TSLA';
    ```
 
+6. **stock_historical_eps**
+   ```sql
+   SELECT * FROM 
+       'https://huggingface.co/datasets/bwzheng2010/yahoo-finance-data/resolve/main/stock_historical_eps/stock_historical_eps.parquet' 
+   WHERE symbol='TSLA';
+   ```
+
 
 ### P.S.