// Single symbol
const details = await client.marketData.getEquityDetails('AAPL');
// Multiple symbols
const details = await client.marketData.getEquityDetails(['AAPL', 'GOOGL', 'MSFT']);
details.forEach(equity => {
console.log(`${equity.symbol}: $${equity.price}`);
console.log(` Market Cap: $${equity.marketCap}`);
console.log(` P/E Ratio: ${equity.peRatio}`);
});