In each of the questions below four words are highlighted in the sentences. One of these four words printed in bold may be either wrongly spelt or inappropriate in the context of the sentence. Find out the word which is wrongly spelt or inappropriate, if any. If all the words printed in bold are correctly spelt and also appropriate in the context of the sentence, mark option ‘All are correct’ as your answer. Unchecked speculation can distort allocative efficiency, undermine macroeconomic stability , and create systemic vulneribility across financial markets.